Fingerprint GUI

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exist multithread competition in stop function?

i found in fingerprint-identify,  if interrupt identify by press enter, there are two threads call fp_dev_close interface at same time.
GenericDevice::fpDevClose->fp_dev_close and  DeviceHandler::release->fp_exit() .

fp_dev_close will call libfprint driver_close. if there is no lock in driver_close function, it will make application crash.
Permalink boger 
March 25th, 2019 7:15am

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